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6.7. Measuring Frequency
Warning! If you try to measure the frequency of a signal
that exceeds 250V AC
expose yourself to a severe shock hazard.
Follow these steps to measure the frequency of a signal:
Note:
*
In noisy environments, use shielded cable to measure
small signals
*
When measuring high voltage circuit, any parts of your
body should not touch the high voltage circuit, otherwise
it may hurt your body
Note: For the most accurate measurements, we strongly
recommend you to use a BNC cable with ferrite core.
1. Set the rotary selector to 10MHz.
2. Plug the black test lead into your meter's COM terminal
and the red test lead into you meter's V//Hz-terminal.
3. Connect the test leads to the frequency source.
Warning! When you connect the test leads to an AC outlet,
do not turn the function rotary selector to another range. It
could damage the meter's internal components or injure
you.
6.8. Checking diodes
This
function
semiconductors for opens and shorts. It also lets you
determine the forward voltage for diodes. You can use this
function when you need to match diodes.
, you might damage your meter and
pp
lets
you
check
53
diodes
and
other
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